Modern Web Testing With Testcafe
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| Author | : Dmytro Shpakovskyi |
| Publisher | : Packt Publishing Ltd |
| Total Pages | : 168 |
| Release | : 2020-09-30 |
| Genre | : Computers |
| ISBN | : 1800205961 |
A no-nonsense guide to getting started with TestCafe quickly by building a complete test suite while learning the core concepts of test automation with TestCafe Key FeaturesBuild a proof-of-concept project to demonstrate your familiarity with TestCafeDiscover useful tips and best practices for building production-ready and fault-tolerant testsWrite clean and maintainable tests by refactoring your codebase using PageObject patternBook Description TestCafe is an open source end-to-end testing framework that combines unmatched ease of use with advanced automation and robust built-in stability mechanisms. This book is a comprehensive, project-based introduction to TestCafe that will show you how to use the TestCafe framework and enable you to write fast and reliable tests; plus you’ll have a proof of concept ready to demonstrate the practical potential of TestCafe. You’ll begin by learning how to write end-to-end web tests using the TestCafe syntax and features of the TestCafe framework. You’ll then go from setting up the environment all the way through to writing production-ready tests. You’ll also find out how to build a sample set of tests in a step-by-step manner and use TestCafe to log in to the website, verify the elements present on different pages, create/delete entities, and run custom JavaScript code. As you advance, you’ll delve into several stages of refactoring that will take you through the showcase setup/teardown and PageObject patterns. While this test suite is relatively simple to build, it showcases some of the most prominent features of TestCafe. Finally, this TestCafe book will show you how the tests can be run on a free and simple-to-use website, without requiring you to build and deploy your own servers or backend services. By the end of this book, you’ll have learned how to write and enhance end-to-end tests with TestCafe to solve real-world problems and deliver results. What you will learnUnderstand the basic concepts of TestCafe and how it differs from classic SeleniumFind out how to set up a TestCafe test environmentRun TestCafe with command-line settingsVerify and execute TestCafe code in the browserAutomate end-to-end testing with TestCafe using expert techniquesDiscover best practices in TestCafe development and learn about the future roadmap of TestCafeWho this book is for The book is for QA professionals, test engineers, software engineers, and test automation enthusiasts looking for hands-on guidance on learning about TestCafe. This book is also great for full-stack developers who want to learn more about new tools for testing their code. The book assumes a basic understanding of JavaScript, Node.js, HTML, CSS, and some simple Bash commands.
| Author | : Waweru Mwaura |
| Publisher | : Packt Publishing Ltd |
| Total Pages | : 241 |
| Release | : 2021-01-29 |
| Genre | : Computers |
| ISBN | : 1839215631 |
Get to grips with the Cypress framework and learn how to best implement end-to-end automation testing with JavaScript with the help of expert tips, best practices, and real-world testing examples Key FeaturesWrite your first end-to-end test and find out how to modernize your testing environmentExecute test-driven web development and cross-browser testing using CypressDiscover the advantages of using Cypress over Selenium and refactor testing for modern web appsBook Description Cypress is a modern test automation framework for web-based frontend apps. Learning Cypress will help you overcome the shortcomings of conventional testing solutions such as dependency graph problems, the steep learning curve in setting up end-to-end testing packages, and difficulties in writing explicit time waits for your tests. In End-to-End Web Testing with Cypress, you’ll learn how to use different Cypress tools, including time travel, snapshots, errors, and console output, to write fail-safe and non-flaky tests. You’ll discover techniques for performing test-driven development (TDD) with Cypress and write cross-browser tests for your web applications. As you advance, you’ll implement tests for a sample application and work with a variety of tools and features within the Cypress ecosystem. Finally, this Cypress book will help you grasp advanced testing concepts such as visual testing and networking. By the end of this book, you’ll have the skills you need to be able to set up Cypress for any web app and understand how to use it to its full potential. What you will learnGet to grips with Cypress and understand its advantages over SeleniumExplore common Cypress commands, tools, and techniques for writing complete tests for web appsSet up and configure Cypress for cross-browser testingUnderstand how to work with elements and animation to write non-flaky testsDiscover techniques for implementing and handling navigation requests in testsImplement visual regression tests with Applitools eyesWho this book is for This book is for automation testing professionals, software and web testers, and frontend web developers who have intermediate-level JavaScript and beginner-level test automation knowledge, as well as for complete beginners who are looking to get started with Cypress and learn how it works. You’ll also find this book useful if you are a Selenium tester who wants to migrate to Cypress and leverage its capabilities. An intermediate-level understanding of JavaScript programming and beginner-level knowledge of web testing are required.
| Author | : Dario Kondratiuk |
| Publisher | : Packt Publishing Ltd |
| Total Pages | : 316 |
| Release | : 2021-03-11 |
| Genre | : Computers |
| ISBN | : 1800203764 |
Write fail-safe automation tests, device emulation, and browser automation using Puppeteer’s Google-powered API Key FeaturesGet up and running with Puppeteer and discover best practices for automation testingAutomate your modern web applications using Jest and Mocha with PuppeteerGenerate screenshots using Puppeteer and find out how they can be used for UI regression testsBook Description Puppeteer is an open source web automation library created by Google to perform tasks such as end-to-end testing, performance monitoring, and task automation with ease. Using real-world use cases, this book will take you on a pragmatic journey, helping you to learn Puppeteer and implement best practices to take your automation code to the next level! Starting with an introduction to headless browsers, this book will take you through the foundations of browser automation, showing you how far you can get using Puppeteer to automate Google Chrome and Mozilla Firefox. You’ll then learn the basics of end-to-end testing and understand how to create reliable tests. You’ll also get to grips with finding elements using CSS selectors and XPath expressions. As you progress through the chapters, the focus shifts to more advanced browser automation topics such as executing JavaScript code inside the browser. You’ll learn various use cases of Puppeteer, such as mobile devices or network speed testing, gauging your site’s performance, and using Puppeteer as a web scraping tool. By the end of this UI testing book, you’ll have learned how to make the most of Puppeteer’s API and be able to apply it in your real-world projects. What you will learnUnderstand browser automation fundamentalsExplore end-to-end testing with Puppeteer and its best practicesApply CSS Selectors and XPath expressions to web automationDiscover how you can leverage the power of web automation as a developerEmulate different use cases of Puppeteer such as network speed tests and geolocationGet to grips with techniques and best practices for web scraping and web content generationWho this book is for The book is for QA engineers, testing professionals, and frontend web developers alike who want to perform end-to-end testing using Google's developer tools. Web developers who want to learn how to use Puppeteer for generating content, scraping websites, and evaluating website performance will also find this book useful. Although knowledge of Node.js isn’t necessary, basic JavaScript knowledge will assist with understanding the concepts covered.
| Author | : David Herron |
| Publisher | : Packt Publishing Ltd |
| Total Pages | : 746 |
| Release | : 2020-07-31 |
| Genre | : Computers |
| ISBN | : 1838983252 |
Build scalable web applications using Node.js, Express.js, and the latest ECMAScript techniques, along with deploying applications with AWS and Docker with this updated fifth edition Key Features • Learn backend web programming with the JavaScript stack • Explore best practices, right from configuring and building web servers to deploying them on a production cloud hosting system: AWS using Docker and Terraform • Work through the different stages of developing robust and scalable apps using Node.js 14 Book Description Node.js is the leading choice of server-side web development platform, enabling developers to use the same tools and paradigms for both server-side and client-side software. This updated fifth edition of Node.js Web Development focuses on the new features of Node.js 14, Express 4.x, and ECMAScript, taking you through modern concepts, techniques, and best practices for using Node.js. The book starts by helping you get to grips with the concepts of building server-side web apps with Node.js. You'll learn how to develop a complete Node.js web app, with a backend database tier to help you explore several databases. You'll deploy the app to real web servers, including a cloud hosting platform built on AWS EC2 using Terraform and Docker Swarm, while integrating other tools such as Redis and NGINX. As you advance, you'll learn about unit and functional testing, along with deploying test infrastructure using Docker. Finally, you'll discover how to harden Node.js app security, use Let's Encrypt to provision the HTTPS service, and implement several forms of app security with the help of expert practices. With each chapter, the book will help you put your knowledge into practice throughout the entire life cycle of developing a web app. By the end of this Node.js book, you'll have gained practical Node.js web development knowledge and be able to build and deploy your own apps on a public web hosting solution. What you will learn • Install and use Node.js 14 and Express 4.17 for both web development and deployment • Implement RESTful web services using the Restify framework • Develop, test, and deploy microservices using Docker, Docker Swarm, and Node.js, on AWS EC2 using Terraform • Get up to speed with using data storage engines such as MySQL, SQLite3, and MongoDB • Test your web applications using unit testing with Mocha, and headless browser testing with Puppeteer • Implement HTTPS using Let's Encrypt and enhance application security with Helmet Who this book is for If you're looking for an alternative to the 'P' languages (Perl, PHP, and Python), or if you want to get started with server-side web development with JavaScript programming, or if you want a deep dive into deploying services to cloud hosting, this Node.js book is for you. A rudimentary understanding of JavaScript and web application development is a must before you get started with this book. Table of Contents • About Node.js • Setting Up Node.js • Exploring Node.js Modules • HTTP Servers and Clients • Your First Express Application • Implementing the Mobile-First Paradigm • Data Storage and Retrieval • Authenticating Users with a Microservice • Dynamic Client/Server Interaction with Socket.IO • Deploying Node.js Applications to Linux Servers • Deploying Node.js microservices with Docker • Deploying a Docker Swarm to AWS EC2 with Terraform • Unit Testing and Functional Testing • Security in Node.js Applications
| Author | : Addy Osmani |
| Publisher | : "O'Reilly Media, Inc." |
| Total Pages | : 247 |
| Release | : 2012-07-08 |
| Genre | : Computers |
| ISBN | : 1449334873 |
With Learning JavaScript Design Patterns, you’ll learn how to write beautiful, structured, and maintainable JavaScript by applying classical and modern design patterns to the language. If you want to keep your code efficient, more manageable, and up-to-date with the latest best practices, this book is for you. Explore many popular design patterns, including Modules, Observers, Facades, and Mediators. Learn how modern architectural patterns—such as MVC, MVP, and MVVM—are useful from the perspective of a modern web application developer. This book also walks experienced JavaScript developers through modern module formats, how to namespace code effectively, and other essential topics. Learn the structure of design patterns and how they are written Understand different pattern categories, including creational, structural, and behavioral Walk through more than 20 classical and modern design patterns in JavaScript Use several options for writing modular code—including the Module pattern, Asyncronous Module Definition (AMD), and CommonJS Discover design patterns implemented in the jQuery library Learn popular design patterns for writing maintainable jQuery plug-ins "This book should be in every JavaScript developer’s hands. It’s the go-to book on JavaScript patterns that will be read and referenced many times in the future."—Andrée Hansson, Lead Front-End Developer, presis!
| Author | : David M. Howard |
| Publisher | : Taylor & Francis |
| Total Pages | : 510 |
| Release | : 2017-06-13 |
| Genre | : Technology & Engineering |
| ISBN | : 1317508300 |
The acoustics of a space can have a real impact on the sounds you create and capture. Acoustics and Psychoacoustics, Fifth Edition provides supportive tools and exercises to help you understand how music sounds and behaves in different spaces, whether during a performance or a recording, when planning a control room or listening space, and how it is perceived by performers, listeners, and recording engineers. With their clear and simple style, Howard and Angus cover both theory and practice by addressing the science of sound engineering and music production, the acoustics of musical instruments, the ways in which we hear musical sounds, the underlying principles of sound processing, and the application of these concepts to music spaces to create professional sound. This new edition is fully revised to reflect new psychoacoustic information related to timbre and temporal perception, including an updated discussion of vocal fold vibration principles, samples of recent acoustic treatments, and a description of variable acoustics in spaces, as well as coverage of the environment’s effect on production listening, sonification, and other topics. Devoted to the teaching of musical understanding, an accompanying website (www.routledge.com/cw/howard) features various audio clips, tutorial sheets, questions and answers, and trainings that will take your perception of sound to the next level. This book will help you: Gain a basic grounding in acoustics and psychoacoustics with respect to music audio technology systems Incorporate knowledge of psychoacoustics in future music technology system designs as appropriate Understand how we hear pitch, loudness, and timbre Learn to influence the acoustics of an enclosed space through designed physical modifications
| Author | : Anton Angelov |
| Publisher | : |
| Total Pages | : 314 |
| Release | : 2020-03-06 |
| Genre | : |
| ISBN | : |
About This Book Achieving high-quality test automation that brings value- you need to understand core programming concepts such as SOLID and the usage of design patterns. After you master them, the usual career transition is into more architecture roles, such as choosing the best possible approaches for solving particular test automation challenges. You will get an access to more than 20000+ lines of real-world code examples. Who This Book Is For The book is NOT a getting started guide! If you don't have any prior programming experience in writing automated tests through WebDriver, I suggest you to first start with some book about basic programming and basic WebDriver usage. I believe it might be invaluable for the readers that have a couple of years of experience and whose job is to create/maintain test automation frameworks, or to write high-quality reliable automated tests. The book is written in C#. However, I think that you can use the approaches and practices in every OOP language. If you have a Java background (or similar), you will get everything you need, don't worry. Even if you don't get all the concepts from the first read, try to use and incorporate some of them, later you can return and reread them. I believe with the accumulation of experience using high-quality practices- you will become a hard-core test automation ninja! What You Will Learn Learn how to optimize and stabilize your flaky tests. Learn how to handle asnynchronious web pages in your tests. Automatically deal with AJAX and jQuery. Improve Test Readability, Maintainability, Reusability, Extensibility by incorporating 10+ design patterns: Page Object Model, Facade, Decorator, Observer, Strategy, Singleton, Fluent Interface, Template Method, Abstract Factory, Factory Method, Repository, Lazy Load. Learn what are the SOLID principles and how they can improve your test code. We will also discuss other essential programming principles such as composition, DRY, KISS and others. Learn how to asses and choose the best possible design for your framework or library. Learn how the benchmarking your code can help you to speed up your tests. Learn how to design and build your framework to handle test data and different test environments. Learn about high quality code practices and naming convention so that your code get much more understandable.
| Author | : Mike Peng Li |
| Publisher | : Pearson Education |
| Total Pages | : 443 |
| Release | : 2007-11-19 |
| Genre | : Technology & Engineering |
| ISBN | : 0132797194 |
State-of-the-art JNB and SI Problem-Solving: Theory, Analysis, Methods, and Applications Jitter, noise, and bit error (JNB) and signal integrity (SI) have become today‘s greatest challenges in high-speed digital design. Now, there’s a comprehensive and up-to-date guide to overcoming these challenges, direct from Dr. Mike Peng Li, cochair of the PCI Express jitter standard committee. One of the field’s most respected experts, Li has brought together the latest theory, analysis, methods, and practical applications, demonstrating how to solve difficult JNB and SI problems in both link components and complete systems. Li introduces the fundamental terminology, definitions, and concepts associated with JNB and SI, as well as their sources and root causes. He guides readers from basic math, statistics, circuit and system models all the way through final applications. Emphasizing clock and serial data communications applications, he covers JNB and SI simulation, modeling, diagnostics, debugging, compliance testing, and much more.
| Author | : Adrian Fernandez |
| Publisher | : Newnes |
| Total Pages | : 201 |
| Release | : 2013-04-19 |
| Genre | : Technology & Engineering |
| ISBN | : 0124116000 |
This book explores the world of microcontroller development through friendly lessons and progressively challenging projects, which will have you blink LEDs, make music with buzzers & interact with different sensors like accelerometers and temperature sensors. This book is focused on the MSP-EXP430G2 LaunchPad Evaluation Kit, which is a complete microcontroller development platform that includes everything you need to start creating microcontroller-based projects. Many of the 25+ projects will also leverage external components, such as the highly-integrated Educational BoosterPack, which is a modular extension to the LaunchPad and includes many components such as an RGB LED, character LCD & potentiometer. This book provides helpful guides that break down hardware circuits through visual diagrams and includes fully-commented code examples. Concepts are broken down and explained in an easy to follow language and analogies to help you understand the principles behind each project/system. The projects will encourage you to use and even combine the fundamental concepts to develop your ideas in creating new microcontroller solutions. Coverage includes: Digital Input/Output: buttons, LEDs, turning anything into a button Analog Input/Output: sensors, temperature, accelerometer, potentiometer, etc. Programming fundamentals: conditional branches & loops, flow, logic, number systems Pulse-Width Modulation (PWM): square wave, buzzer, analog signal simulation Serial Communication: UART, SPI & I2C Code development using Energia, a free, open-source code editor and compiler Debugging through serial communication with a computer Interfacing with external components such as LEDs, buzzers, potentiometers, sensors & more. With the help of this book, you will be challenged to think about developing your own unique microcontroller-based application, and you will be equipped to start solving various problems, adding intelligence to existing products, or even developing your own innovative creations with a LaunchPad development kit. Includes over 25 projects which focuses on a learn by doing approach Contains easy to follow diagrams and code examples Covers Programming fundamentals, such as conditional branches and loops, flow, logic, number systems
| Author | : David Kleidermacher |
| Publisher | : Elsevier |
| Total Pages | : 417 |
| Release | : 2012-03-16 |
| Genre | : Computers |
| ISBN | : 0123868866 |
Front Cover; Dedication; Embedded Systems Security: Practical Methods for Safe and Secure Softwareand Systems Development; Copyright; Contents; Foreword; Preface; About this Book; Audience; Organization; Approach; Acknowledgements; Chapter 1 -- Introduction to Embedded Systems Security; 1.1What is Security?; 1.2What is an Embedded System?; 1.3Embedded Security Trends; 1.4Security Policies; 1.5Security Threats; 1.6Wrap-up; 1.7Key Points; 1.8 Bibliography and Notes; Chapter 2 -- Systems Software Considerations; 2.1The Role of the Operating System; 2.2Multiple Independent Levels of Security.
